<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" class="input-with-select" v-model="queryInfo.query" clearable @clear="getGoodList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addGood">添加商品</el-button>
        </el-col>
      </el-row>
      <el-table
        :data="goodsList"
        stripe
        border
        style="width: 100%">
        <el-table-column
          type="index"
          >
        </el-table-column>
        <el-table-column
          prop="goods_name"
          label="商品名称"
          >
        </el-table-column>
        <el-table-column
          prop="goods_price"
          width="95px"
          label="价格(元)">
        </el-table-column>
        <el-table-column
          prop="goods_weight"
          width="70px"
          label="商品重量">
        </el-table-column>
        <el-table-column
          width="160px"
          label="创建时间">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button type="primary" class="el-icon-edit" size="mini">编辑</el-button>
            <el-button type="danger" class="el-icon-delete" size="mini" @click="deleteGood(scope.row.goods_id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 5, 10, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        background
        :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'List',
  data() {
    return {
      goodsList: [],
      total: 0,
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      }
    }
  },
  methods: {
    async getGoodList() {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表数据失败')
      }
      this.$message.success('获取商品列表数据成功')
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange(newPageSize) {
      this.queryInfo.pagesize = newPageSize
      this.getGoodList()
    },
    handleCurrentChange(newPageNum) {
      this.queryInfo.pagenum = newPageNum
      this.getGoodList()
    },
    addGood() {
      this.$router.push('/goods/add')
    },
    async deleteGood(goodsId) {
      const result = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (result !== 'confirm') {
        return this.$message.success('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${goodsId}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功')
      this.getGoodList()
    }
  },
  created() {
    this.getGoodList()
  }
}
</script>

<style scoped>

</style>
